Query to find the second highest column value in a table

In this ms sql server tutorial you will learn query to find the second highest column value in a table.

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Write a SQL query to get the second highest salary from the Employee table. For example, given the above Employee table, the second highest salary is 200. If there is no second highest salary, then the query should return NULL. You can write SQL query in any of your favorite database e.g. MySQL, Microsoft SQL Server or Oracle.

Query to find the second lowest column value in a table
In this ms sql server tutorial you will learn query to find the second lowest column value in a table.

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If you have imported your database, only to find that funny characters have appeared, you can issue the following mysql statement inside PHPMyAdmin to find and replace.

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We have seen SQL SELECT command along with WHERE clause to fetch data from MySQL table. But when we try to give a condition which compare field or column value to NULL it does not work properly.

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Using Joins
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Thus far we have only been getting data from one table at a time. This is fine for simple takes, but in most real world MySQL usage you will often need to get data from multiple tables in a single query.
You can use multiple tables in your single SQL query. The act of joining in MySQL refers to smashing two or more tables into a single table.

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